Global Patent Index - EP 0121656 B1

EP 0121656 B1 19890111 - ALKALINE AQUEOUS COATING SOLUTION AND PROCESS

Title (en)

ALKALINE AQUEOUS COATING SOLUTION AND PROCESS

Publication

EP 0121656 B1 19890111 (EN)

Application

EP 84100511 A 19840118

Priority

US 47231083 A 19830304

Abstract (en)

[origin: EP0121656A2] An aqueous alkaline coating bath for forming clear, corrosion and tarnish-resistant coatings on metals such as aluminum and steel includes divalent metal ions such as calcium and magnesium, a volatile complexing agent for the metal ions, water soluble salts of an acrylic polymer which contains carboxyl groups and a defoaming agent.

IPC 1-7

C09D 5/08; C09D 3/80

IPC 8 full level

C09D 133/04 (2006.01); C09D 133/06 (2006.01)

CPC (source: EP US)

C09D 133/064 (2013.01 - EP US)

C-Set (source: EP US)

C09D 133/064 + C08L 2666/02 + C08L 2666/28 + C08L 2666/54

Designated contracting state (EPC)

DE FR GB NL SE

DOCDB simple family (publication)

EP 0121656 A2 19841017; EP 0121656 A3 19860611; EP 0121656 B1 19890111; AU 2312784 A 19840906; AU 562223 B2 19870604; CA 1206286 A 19860617; DE 3476076 D1 19890216; EG 16380 A 19890130; ES 529275 A0 19850501; ES 8504872 A1 19850501; JP S59164373 A 19840917; MX 168090 B 19930503; NZ 206879 A 19851108; US 4485131 A 19841127

DOCDB simple family (application)

EP 84100511 A 19840118; AU 2312784 A 19840106; CA 445720 A 19840120; DE 3476076 T 19840118; EG 14884 A 19840303; ES 529275 A 19840130; JP 1850784 A 19840206; MX 20053384 A 19840302; NZ 20687984 A 19840118; US 47231083 A 19830304